128426480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:128

約数の個数: 240

約数和(自身を含む): 392117760

約数和(自身を除く): 263691280

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 23, 26, 28, 35, 40, 46, 52, 56, 59, 65, 70, 80, 91, 92, 104, 112, 115, 118, 130, 140, 161, 169, 182, 184, 208, 230, 236, 260, 280, 295, 299, 322, 338, 364, 368, 413, 455, 460, 472, 520, 560, 590, 598, 644, 676, 728, 767, 805, 826, 845, 910, 920, 944, 1040, 1180, 1183, 1196, 1288, 1352, 1357, 1456, 1495, 1534, 1610, 1652, 1690, 1820, 1840, 2065, 2093, 2360, 2366, 2392, 2576, 2704, 2714, 2990, 3068, 3220, 3304, 3380, 3640, 3835, 3887, 4130, 4186, 4720, 4732, 4784, 5369, 5428, 5915, 5980, 6136, 6440, 6608, 6760, 6785, 7280, 7670, 7774, 8260, 8372, 9464, 9499, 9971, 10465, 10738, 10856, 11830, 11960, 12272, 12880, 13520, 13570, 15340, 15548, 16520, 16744, 17641, 18928, 18998, 19435, 19942, 20930, 21476, 21712, 23660, 23920, 26845, 27140, 27209, 30680, 31096, 33040, 33488, 35282, 37996, 38870, 39884, 41860, 42952, 47320, 47495, 49855, 53690, 54280, 54418, 61360, 62192, 69797, 70564, 75992, 77740, 79768, 83720, 85904, 88205, 94640, 94990, 99710, 107380, 108560, 108836, 123487, 136045, 139594, 141128, 151984, 155480, 159536, 167440, 176410, 189980, 199420, 214760, 217672, 229333, 246974, 272090, 279188, 282256, 310960, 348985, 352820, 379960, 398840, 429520, 435344, 458666, 493948, 544180, 558376, 617435, 697970, 705640, 759920, 797680, 917332, 987896, 1088360, 1116752, 1146665, 1234870, 1395940, 1411280, 1605331, 1834664, 1975792, 2176720, 2293330, 2469740, 2791880, 3210662, 3669328, 4586660, 4939480, 5583760, 6421324, 8026655, 9173320, 9878960, 12842648, 16053310, 18346640, 25685296, 32106620, 64213240, 128426480]

約数ペア:

[(1, 128426480), (2, 64213240), (4, 32106620), (5, 25685296), (7, 18346640), (8, 16053310), (10, 12842648), (13, 9878960), (14, 9173320), (16, 8026655), (20, 6421324), (23, 5583760), (26, 4939480), (28, 4586660), (35, 3669328), (40, 3210662), (46, 2791880), (52, 2469740), (56, 2293330), (59, 2176720), (65, 1975792), (70, 1834664), (80, 1605331), (91, 1411280), (92, 1395940), (104, 1234870), (112, 1146665), (115, 1116752), (118, 1088360), (130, 987896), (140, 917332), (161, 797680), (169, 759920), (182, 705640), (184, 697970), (208, 617435), (230, 558376), (236, 544180), (260, 493948), (280, 458666), (295, 435344), (299, 429520), (322, 398840), (338, 379960), (364, 352820), (368, 348985), (413, 310960), (455, 282256), (460, 279188), (472, 272090), (520, 246974), (560, 229333), (590, 217672), (598, 214760), (644, 199420), (676, 189980), (728, 176410), (767, 167440), (805, 159536), (826, 155480), (845, 151984), (910, 141128), (920, 139594), (944, 136045), (1040, 123487), (1180, 108836), (1183, 108560), (1196, 107380), (1288, 99710), (1352, 94990), (1357, 94640), (1456, 88205), (1495, 85904), (1534, 83720), (1610, 79768), (1652, 77740), (1690, 75992), (1820, 70564), (1840, 69797), (2065, 62192), (2093, 61360), (2360, 54418), (2366, 54280), (2392, 53690), (2576, 49855), (2704, 47495), (2714, 47320), (2990, 42952), (3068, 41860), (3220, 39884), (3304, 38870), (3380, 37996), (3640, 35282), (3835, 33488), (3887, 33040), (4130, 31096), (4186, 30680), (4720, 27209), (4732, 27140), (4784, 26845), (5369, 23920), (5428, 23660), (5915, 21712), (5980, 21476), (6136, 20930), (6440, 19942), (6608, 19435), (6760, 18998), (6785, 18928), (7280, 17641), (7670, 16744), (7774, 16520), (8260, 15548), (8372, 15340), (9464, 13570), (9499, 13520), (9971, 12880), (10465, 12272), (10738, 11960), (10856, 11830)]